In this pdf material you can find information on checking, troubleshooting, servicing, adjusting and inspecting the Digifant I and Digifant II engine management system, an electronic fuel injection system designed by Volkswagen Group (Volkswagen AG) and Bosch. Table of contents:
* System Components/Operation [ System Description ~ Electronic Control Unit (ECU) ~ Coolant Temperature Sensor ~ Fuel Pump ~ Air Flow Sensor ~ Intake Air Temperature Sensor ~ Fuel Pressure Regulator ~ Fuel Injectors ~ Throttle Switch ~ Fuel Filters ~ Oxygen Sensor ~ Ignition System ~ Idle Stabilization ~ Crankcase Emission Control/Vent Line Heating Element ~ Evaporative Emission System ]
* Checking/Adjusting [ Throttle Valve ~ Adjusting Throttle Switch ~ Throttle Switch Wiring and ECU Check ~ Coolant Temperature Sensor ~ Fuel Injectors (Spray Pattern Quantity) ~ Fuel Injector (Leak Checking, Wiring Test) ~ Deceleration Fuel Cut Off ~ Full Throttle Enrichment ~ Oxygen Sensor System ~ Fuel Pump Pressure Volume Test, Current Draw ~ Fuel Pump Electrical ~ Fuel Pressure Regulator ~ Residual Fuel Pressure ~ Ignition System ~ Idle Stabilization System ~ Evaporative Emission System ]
* Basic Engine Adjustments [ Ignition Timing, Idle Speed, CO Content ]
* System Check with Volt/Ohmeter [ System Test Chart ~ Functioning Wiring Diagram ~ Special Tools Required ~ Glossary/Component Location ]
Download free Digifant I, Digifant II Shop Pro Training Manual Guide.pdf (51 pages pdf file, 5 MB).
READ MORE - Download free Digifant I, Digifant II Shop Pro Training Manual Guide.pdf
* System Components/Operation [ System Description ~ Electronic Control Unit (ECU) ~ Coolant Temperature Sensor ~ Fuel Pump ~ Air Flow Sensor ~ Intake Air Temperature Sensor ~ Fuel Pressure Regulator ~ Fuel Injectors ~ Throttle Switch ~ Fuel Filters ~ Oxygen Sensor ~ Ignition System ~ Idle Stabilization ~ Crankcase Emission Control/Vent Line Heating Element ~ Evaporative Emission System ]
* Checking/Adjusting [ Throttle Valve ~ Adjusting Throttle Switch ~ Throttle Switch Wiring and ECU Check ~ Coolant Temperature Sensor ~ Fuel Injectors (Spray Pattern Quantity) ~ Fuel Injector (Leak Checking, Wiring Test) ~ Deceleration Fuel Cut Off ~ Full Throttle Enrichment ~ Oxygen Sensor System ~ Fuel Pump Pressure Volume Test, Current Draw ~ Fuel Pump Electrical ~ Fuel Pressure Regulator ~ Residual Fuel Pressure ~ Ignition System ~ Idle Stabilization System ~ Evaporative Emission System ]
* Basic Engine Adjustments [ Ignition Timing, Idle Speed, CO Content ]
* System Check with Volt/Ohmeter [ System Test Chart ~ Functioning Wiring Diagram ~ Special Tools Required ~ Glossary/Component Location ]
Download free Digifant I, Digifant II Shop Pro Training Manual Guide.pdf (51 pages pdf file, 5 MB).